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{"bugzilla": {"description": "@fastify/http-proxy: @fastify/http-proxy: Information disclosure via encoded backslash path traversal", "id": "2564951", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2564951"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in @fastify/http-proxy. This vulnerability allows an unauthenticated remote attacker to cause information disclosure by bypassing intended proxy routing restrictions. Due to improper path validation that processes backslashes before decoding request paths, encoded backslashes and directory navigation sequences can pass uninspected. When requests are forwarded to an upstream server that treats backslashes as folder separators, attackers can retrieve sensitive resources outside the configured proxy directory."], "mitigation": {"lang": "en:us", "value": "Upgrade the bundled @fastify/http-proxy package to 11.6.3 or later. No upstream workaround is available per GHSA-hr26-gmr2-pwcv."}, "name": "CVE-2026-120214", "package_state": [{"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-core-bff-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-dashboard-operator-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-dashboard-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-agent-ops-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-automl-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-autorag-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-eval-hub-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-gen-ai-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-maas-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-mlflow-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mod-arch-model-registry-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/dashboard-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}], "public_date": "2026-11-02T10:07:08Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120214\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120214\nhttps://cna.openjsf.org/security-advisories.html\nhttps://github.com/fastify/fastify-http-proxy/security/advisories/GHSA-hr26-gmr2-pwcv"], "statement": "A confidentiality-only information disclosure flaw exists in @fastify/http-proxy versions 11.6.0-11.6.2. The destination validation normalizes literal backslashes before percent-decoding the request path, so paths with encoded backslashes and dot-segments bypass the configured proxy prefix restriction; when the upstream service behind the proxy treats decoded backslash as a path separator (e.g., a Windows static-file host), the forwarded request reaches sibling locations outside the intended prefix. The issue is fixed in 11.6.3, and there is no workaround per the upstream GHSA advisory (GHSA-hr26-gmr2-pwcv).", "threat_severity": "Moderate"}

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